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Lesson Plans

darkroom help

[ Thread ][ Subject ][ Author ][ Date ]
Sun, 23 Aug 1998 17:45:44 EDT

Thanks for the return message. The price you pay for an enlarging lens is

> reflective of the quality. Two factors to consider is the quality of the

> glass, and the lens speed. Nikkor El lenses are great. A f/2 or f/2.8

> are expensive but a slower 3.5 lens is affordable and will project a

> image. On the Omega's we have, I bought Rodenstock 50mm f/2.8 lenses. I

> like the slightly faster lens because it makes focusing and composing the

> image easier to see because it is brighter. We generally print at f/11 or

> so the image quality is good. A couple of the enlargers we use Beslar

> lenses and they are good too.


> The school had two enlargers with color heads donated. A Besslar 23-c and

> Minolta. Yes, you can dial in filter combinations to match selective

> contrast filters but the newer papers that go to grade 5 won’t respond

> 4. Also, with each change of filtration, your exposure timings change. I

> much prefer using gel filters 00-5 which I buy from Photo warehouse for

> $10 per set. The exposure times are consistent though 3.5, and then

> for contrasts 4-5. Buy several sets, because the filters are easily

> They should be used above the condenser lenses so scratches, dust or other

> minor imperfections do not effect the focused light. Buy the size that

> your enlarger (Omega 3x3” Besslar 23-c 6x6”)


> Your enlarger should be place away from the wet side on the darkroom. Place

> on very sturdy and stiff table or counter about 36” high. Vibration from

> enlarger platform will make blurry prints. Have fun.


> What grade level do you teach?


> Bill R.

> Souhegan HS